<template>
  <div class="app-continer">
    <div class="filter-container">
      <el-input
        v-model="listQuery.title"
        placeholder="书名"
        style="width: 200px"
        class="filter-item"
        clearable
        @keyup.enter.native="handleFilter"
        @clear="handleFilter"
        @blur="handleFilter"
      />
      <el-input
        v-model="listQuery.author"
        placeholder="作者"
        style="width: 200px"
        class="filter-item"
        clearable
        @keyup.enter.native="handleFilter"
        @clear="handleFilter"
        @blur="handleFilter"
      />
      <el-select
        v-model="listQuery.category"
        placeholder="分类"
        clearable
        class="filter-item"
        @change="handleFilter"
      >
        <el-option
          v-for="item in categoryList"
          :value="item.value"
          :key="item.value"
          :label="item.label"
        ></el-option>
      </el-select>
      <el-button
        v-waves
        class="filter-item"
        type="primary"
        icon="el-icon-search"
        style="margin-left: 10px"
        @click="handleFilter"
        >查询</el-button
      >
      <el-button
        v-waves
        class="filter-item"
        type="primary"
        icon="el-icon-edit"
        style="margin-left: 5px"
        @click="handleCreate"
        >新增</el-button
      >
      <el-checkbox
        v-model="showCover"
        class="filter-item"
        style="margin-left: 5px"
        @change="changeShowCover"
      >
        显示封面
      </el-checkbox>
    </div>
    <el-table
      :key="tableKey"
      v-loading="listLoading"
      :data="list"
      border
      fit
      highlight-current-row
      style="width: 100%"
      @sort-change="sortChange"
    >
      <el-table-column
        label="ID"
        prop="id"
        sortable="custom"
        align="center"
        width="80"
      ></el-table-column>
      <el-table-column label="书名" align="center" width="150">
        <template slot-scope="{ row: { titleWrapper } }">
          <span v-html="titleWrapper"></span>
        </template>
      </el-table-column>

      <el-table-column label="作者" align="center" width="150">
        <template slot-scope="{ row: { authorWrapper } }">
          <span v-html="authorWrapper"></span>
        </template>
      </el-table-column>

      <el-table-column
        label="出版社"
        prop="publisher"
        width="150"
        align="center"
      >
      </el-table-column>
      <el-table-column
        label="分类"
        prop="categoryText"
        width="100"
        align="center"
      >
      </el-table-column>
      <el-table-column label="语言" prop="language" align="center">
      </el-table-column>
      <el-table-column v-if="showCover" label="封面" width="150" align="center">
        <template slot-scope="scope">
          <a :href="scope.row.cover" target="_blank">
            <img
              :src="scope.row.cover"
              alt=""
              style="width: 120px; height: 180px"
            />
          </a>
        </template>
      </el-table-column>
      <el-table-column
        label="文件名"
        prop="fileName"
        width="100"
        align="center"
      />
      <el-table-column
        label="文件路径"
        prop="filePath"
        width="100"
        align="center"
      />
      <el-table-column
        label="封面路径"
        prop="coverPath"
        width="100"
        align="center"
      />
      <el-table-column
        label="解压路径"
        prop="unzipPath"
        width="100"
        align="center"
      />
      <el-table-column
        label="上传人"
        prop="createUser"
        width="100"
        align="center"
      />
      <el-table-column
        label="上传时间"
        prop="createDt"
        width="100"
        align="center"
      >
        <template slot-scope="{ row: {createDt}}">
          <span>{{ createDt | timeFilter }}</span>
        </template>
      </el-table-column>
      <el-table-column label="操作" width="120" align="center" fixed="right">
        <template slot-scope="{ row }">
          <el-button
            type="text"
            icon="el-icon-edit"
            @click="handleUpdate(row)"
          ></el-button>
          <el-button
            type="text"
            icon="el-icon-delete"
            @click="handleDelete(row)"
            style="color: #f56c6c"
          ></el-button>
        </template>
      </el-table-column>
    </el-table>
    <pagination
      :total="total"
      v-show="total > 0"
      :page.sync="listQuery.page"
      :limit.sync="listQuery.pageSize"
      @pagination="getList"
    ></pagination>
  </div>
</template>

<script>
import Pagination from "../../components/Pagination/index";
import waves from "../../directive/waves/waves";
import { getCategory, listBook, deleteBook } from "../../api/book";
import { parseTime } from "../../utils/index"
 
export default {
  components: {
    Pagination,
  },
  directives: {
    waves,
  },
  filters:{
    timeFilter(time){
      return time ? parseTime(time, '{y}-{m}-{d} {h}:{i}') : '无'
    }
  },
  data() {
    return {
      tableKey: 0,
      listLoading: true,
      list: [],
      listQuery: {},
      showCover: false,
      categoryList: [],
      total: 0,
    };
  },
  created() {
    this.parseQuery();
  },
  mounted() {
    this.getList();
    this.getCategoryList();
  },
  methods: {
    parseQuery() {
      const listQuery = {
        page: 1,
        pageSize: 20,
        sort: "+id",
      };
      this.listQuery = { ...listQuery, ...this.listQuery };
    },
    wrapperKeyword(k, v) {
      function hightlight(value) {
        return `<span style="color: #1890ff">${value}</span>`;
      }
      if (!this.listQuery[k]) {
        return v;
      } else {
        return v.replace(new RegExp(this.listQuery[k], "ig"), (v) =>
          hightlight(v)
        );
      }
    },
    getList() {
      this.listLoading = true;
      listBook(this.listQuery).then((response) => {
        const { list, count } = response.data;
        this.list = list;
        this.total = count;
        this.listLoading = false;
        this.list.forEach((book) => {
          book.titleWrapper = this.wrapperKeyword("title", book.title);
          book.authorWrapper = this.wrapperKeyword("author", book.author);
        });
      });
    },
    sortChange(data) {
      console.log(data);
      const { prop, order } = data;
      this.sortBy(prop, order);
    },
    sortBy(prop, order) {
      if (order === "ascending") {
        this.listQuery.sort = `+${prop}`;
      } else {
        this.listQuery.sort = `-${prop}`;
      }
      this.handleFilter();
    },
    getCategoryList() {
      getCategory().then((response) => {
        this.categoryList = response.data;
      });
    },
    handleFilter() {
      console.log("handleFilter", this.listQuery);
      this.getList();
    },
    handleCreate() {
      this.$router.push("/book/create");
    },
    handleUpdate(row) {
      console.log(row);
      this.$router.push(`/book/edit/${row.fileName}`);
    },
    changeShowCover() {},
    handleDelete(row) {
      this.$confirm('确定删除该电子书么？', '提示', {
        confirmButtonText: '确定',
        cancelButtonText: '取消',
        type: 'warning'
      }).then(()=>{
        deleteBook(row.fileName).then(response =>{
          this.$notify({
            title: '成功',
            message: response.msg || '删除成功',
            type: 'success',
            duration: 2000
          })
          this.handleFilter()
        })
      })
      
    }
  },
};
</script>

<style lang="scss" scoped>
</style>